package com.atsmart.app.utils;

import java.io.FileNotFoundException;    
    import java.io.FileOutputStream;    
    import java.io.IOException;    
        
    import android.app.Activity;    
    import android.graphics.Bitmap;    
    import android.graphics.Rect;    
import android.util.DisplayMetrics;
import android.view.View;    
        
    public class ScreenShot {    
        // 获取指定Activity的截屏，保存到png文件    
        public static Bitmap takeScreenShot(Activity activity){    
            //View是你需要截图的View    
            View view = activity.getWindow().getDecorView();    
            view.setDrawingCacheEnabled(true);    
            view.buildDrawingCache();    
            Bitmap b1 = view.getDrawingCache();    
                
            //获取状态栏高度    
            Rect frame = new Rect();      
            activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);      
            int statusBarHeight = frame.top;      
            System.out.println(statusBarHeight);    
            DisplayMetrics metries = new DisplayMetrics();
               activity.getWindowManager().getDefaultDisplay().getMetrics(metries);
            //获取屏幕长和高    
//            int width = activity.getWindowManager().getDefaultDisplay().getWidth();      
//            int height = activity.getWindowManager().getDefaultDisplay().getHeight();   
               int width = metries.widthPixels;
               int height = metries.heightPixels;
            //去掉标题栏    
            //Bitmap b = Bitmap.createBitmap(b1, 0, 25, 320, 455);    
            Bitmap b = Bitmap.createBitmap(b1, 0, statusBarHeight, width, height - statusBarHeight);    
            view.destroyDrawingCache();    
            return b;    
        }    
            
////        //保存到sdcard    
//        private static void savePic(Bitmap b,String strFileName){    
//            FileOutputStream fos = null;    
//            try {    
//                fos = new FileOutputStream(strFileName);    
//                if (null != fos)    
//                {    
//                    b.compress(Bitmap.CompressFormat.PNG, 90, fos);    
//                    fos.flush();    
//                    fos.close();    
//                }    
//            } catch (FileNotFoundException e) {    
//                e.printStackTrace();    
//            } catch (IOException e) {    
//                e.printStackTrace();    
//            }    
//        }    
//            
//        //程序入口    
//        public static void shoot(Activity a){    
//            ScreenShot.savePic(ScreenShot.takeScreenShot(a), "sdcard/xx.png");    
//        }    
    }    